diff options
| author | Pascal Paillet <p.paillet@st.com> | 2020-01-10 11:16:01 +0100 |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2020-01-27 15:40:07 +0100 |
| commit | d4a7e0538fe957fc78187468fa404060da7fa6f4 (patch) | |
| tree | 1abbbd926c390dd2784c0a2715b86ceb215d86a6 /drivers/thermal/st | |
| parent | d401652c1c92f164bc5590548aa3a90f4636af89 (diff) | |
| download | linux-d4a7e0538fe957fc78187468fa404060da7fa6f4.tar.bz2 | |
thermal: stm32: Rework sensor mode management
Be sure get_temp returns an error while disabling or enabling the device.
Set THERMAL_DEVICE_ENABLED state at the end of power on function.
Set THERMAL_DEVICE_DISABLED state at the beginning of power off function.
Signed-off-by: Pascal Paillet <p.paillet@st.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200110101605.24984-3-p.paillet@st.com
Diffstat (limited to 'drivers/thermal/st')
| -rw-r--r-- | drivers/thermal/st/stm_thermal.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/thermal/st/stm_thermal.c b/drivers/thermal/st/stm_thermal.c index 7835e109692e..a21fa7e0c72b 100644 --- a/drivers/thermal/st/stm_thermal.c +++ b/drivers/thermal/st/stm_thermal.c @@ -160,6 +160,8 @@ static int stm_sensor_power_on(struct stm_thermal_sensor *sensor) writel_relaxed(value, sensor->base + DTS_CFGR1_OFFSET); + sensor->mode = THERMAL_DEVICE_ENABLED; + return 0; } @@ -167,6 +169,8 @@ static int stm_sensor_power_off(struct stm_thermal_sensor *sensor) { u32 value; + sensor->mode = THERMAL_DEVICE_DISABLED; + /* Stop measuring */ value = readl_relaxed(sensor->base + DTS_CFGR1_OFFSET); value &= ~TS1_START; @@ -374,7 +378,6 @@ static int stm_thermal_update_threshold(struct stm_thermal_sensor *sensor) { int ret; - sensor->mode = THERMAL_DEVICE_DISABLED; ret = stm_sensor_power_off(sensor); if (ret) @@ -576,8 +579,6 @@ static int stm_thermal_suspend(struct device *dev) if (ret) return ret; - sensor->mode = THERMAL_DEVICE_DISABLED; - return 0; } @@ -590,7 +591,6 @@ static int stm_thermal_resume(struct device *dev) if (ret) return ret; - sensor->mode = THERMAL_DEVICE_ENABLED; return 0; } @@ -718,8 +718,6 @@ static int stm_thermal_probe(struct platform_device *pdev) if (ret) goto err_tz; - sensor->mode = THERMAL_DEVICE_ENABLED; - dev_info(&pdev->dev, "%s: Driver initialized successfully\n", __func__); |